Eclipse GMF Guide (Galileo) - ContributionItemService.ProviderDescriptor (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.common.ui.services.action.contributionitem
Class ContributionItemService.ProviderDescriptor

java.lang.Object
  

org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      

org.eclipse.gmf.runtime.common.core.service.Service.ProviderDescriptor
          

org.eclipse.gmf.runtime.common.ui.services.util.ActivityFilterProviderDescriptor
              
org.eclipse.gmf.runtime.common.ui.services.action.contributionitem.ContributionItemService.ProviderDescriptor

All Implemented Interfaces:: java.util.EventListener, IProvider, IProviderChangeListener

Enclosing class:: ContributionItemService

protected static class ContributionItemService.ProviderDescriptor
extends ActivityFilterProviderDescriptor
extends ActivityFilterProviderDescriptor

A descriptor for IContributionItemProvider defined by a configuration element.

Field Summary

Fields inherited from class org.eclipse.gmf.runtime.common.core.service. Service.ProviderDescriptor

A_CLASS, A_PLUGIN, E_POLICY, policy, policyInitialized, provider

Constructor Summary

ContributionItemService.ProviderDescriptor ( IConfigurationElement element)
          Constructs a IContributionItemProvider descriptor for the specified configuration element.

Method Summary

IProvider getProvider ()
          Retrieves the provider for which this object is a descriptor.

boolean provides ( IOperation operation)
          Returns false if and only if any matching activites are disabled.

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. Service.ProviderDescriptor

getElement, getPolicy, providerChanged, toString

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. AbstractProvider

addProviderChangeListener, fireProviderChange, removeProviderChangeListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.gmf.runtime.common.core.service. IProvider

addProviderChangeListener, removeProviderChangeListener

Constructor Detail

ContributionItemService.ProviderDescriptor

public ContributionItemService.ProviderDescriptor(
IConfigurationElement element)

Constructs a IContributionItemProvider descriptor for the specified configuration element.

Parameters:: element - The configuration element describing the provider.

Method Detail

provides

public boolean provides(
IOperation operation)

Description copied from class: ActivityFilterProviderDescriptor

Returns false if and only if any matching activites are disabled.

Specified by:: provides in interface IProvider
Overrides:: provides in class ActivityFilterProviderDescriptor

Parameters:: operation - The operation in question.
Returns:: true if this descriptor's policy or provider provides the operation; false otherwise.

getProvider

public 
IProvider getProvider()

Description copied from class: Service.ProviderDescriptor

Retrieves the provider for which this object is a descriptor. Lazy-initializes the value by instantiating the class described by this provider descriptor's configuration element.